2007 Mercedes-benz R-class
The Verdict
The 2007 Mercedes-benz R-class has 67 owner complaints filed with NHTSA. The most reported issues are body (34 complaints) and engine (16 complaints). With a Klunk Score of 82/100, it earns a "Smooth Ride" rating. If you're shopping for a Mercedes-benz R-class, consider the 2012 model year which has 88% fewer complaints.
Safe Bet
The 2012 has 88% fewer complaints
View the 2012 Mercedes-benz R-class dashboard →
Klunk Score: Smooth Ride
This vehicle year has significantly fewer complaints than average. A reliable choice.
How is this calculated?
The Klunk Score ranks this vehicle year against all others in our database based on total owner complaints filed with NHTSA. 100 = fewest complaints (top tier), 0 = most complained-about. Scores above 60 are better than average; below 40 means more problems than most.
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Under the Hood
Each number is a complaint. Darker = bigger problem.
By Category
By Severity
Worst Problems
Complaints
The contact owns a 2007 Mercedes-Benz R320. The contact stated that the vehicle was taken to the dealer to be repaired under NHTSA Campaign Number: 22V315000 (Service Brakes, Hydraulic); however, the dealer informed the contact that the vehicle needed a diagnostic test prior to the recall repair. The contact declined to pay for the diagnostic test and advised the dealer to complete the recall repair. The dealer declined to honor the recall repair. The contact later discovered that the dealer had marked the recall repair as completed even though the recall repair had not been performed. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The contact had not experienced a failure.
Error codes P0016 and P0017 camshaft out of alignment and vehicle will not pass smog test, also loss of power of the engine.
Pressed down on braked and nothing happened. Pressed down on emergency break to aid in stopping. No warning lights or sounds
The contact owns a 2007 Mercedes-Benz R320. The contact stated the vehicle failed to start in very cold weather. The contact stated that after changing the battery several times, the failure continued to occur. Additionally, while operating the vehicle, the front and rear exterior lights failed to illuminate as needed. The contact stated that the failure was intermittent. The cause of the failure was not yet determined. The local dealer was notified of the failure, but no assistance was offered. The manufacturer was not yet contacted. The failure mileage was 75,000.
UNKNOWN
The contact owned a 2007 Mercedes-Benz R350. The contact stated while driving at 65 MPH and approaching traffic, another vehicle crashed into the rear of his vehicle. The contact slammed on the brakes but the brake pedal failed to respond, causing the front of the vehicle to crash into a second vehicle. The air bags deployed. The passengers of the second vehicle did not sustain any injuries. The contact sustained a chest burn but did not seek medical assistance. A police report was filed. The vehicle was towed to an autobody repair shop but was not diagnosed or repaired. The dealer was notified of the failure. The contact later received recall notification of NHTSA Campaign Number: 22V315000 (Service Brakes, Hydraulic), which he associated with the failure. The manufacturer was not notified of the failure. The failure mileage was approximately 70,000.
CHECK ENGINE LIGHT CAME UP. CAR CANNOT ACCELERATE BEYOND ~30 MPH EVEN WITH HIGH REV.
PANORAMA SUNROOF EXPLODED WHILE PARKED IN OUR GARAGE.
SUNROOF EXPLODED WHILE PARKED IN GARAGE.
MY AIR SHOCKS KEEP GOING OUT THIS SEEMS TO BE A KNOWN ISSUE WITH MERCEDES IT HAPPEN WHILE I WAS DRIVING ALMOST HAD AN ACCIDENT. MY CAR IS NOW PARK SITTING SIDEWAYS.
TL* THE CONTACT OWNS A 2007 MERCEDES-BENZ R350. WHILE DRIVING 35 MPH, THE VEHICLE BEGAN TO VIBRATE. WHILE SHIFTING GEARS, THE VEHICLE VIOLENTLY LUNGED FORWARD WITHOUT WARNING. THE ACCELERATOR PEDAL WAS ENGAGED WITH FORCE; HOWEVER, THE VEHICLE FAILED TO ACCELERATE. THE FAILURE RECURRED NUMEROUS TIMES. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 138,000.
TRANSMISSION MODEL 722.9 FAILURE WHILE DRIVING. CREATES AN EXTREMELY DANGEROUS SITUATION THAT COULD LEAD TO FATAL ACCIDENTS. TRANSMISSION COMPLETELY DISENGAGES BRINGING CAR TO STAND STILL, OR IT DOWNSHIFTS WITHOUT ANY WARNINGS AT HIGH SPEED. FEELS LIKE THE ENTIRE TRANSMISSION IS DROPPING OFF THE CAR. MY CAR HAD ONLY 45K MILES ON IT WHEN IT FIRST EXHIBITED THIS PROBLEM. NOW IT COST MORE THAN RETAIL VALUE OF THE CAR TO REPLACE THIS TRANSMISSION.
TL* THE CONTACT OWNS A 2007 MERCEDES-BENZ R350. FIVE MINUTES AFTER THE CONTACT ACTIVATED THE SEAT WARMER, SHE SMELLED AN ABNORMAL BURNING ODOR. WHEN THE CONTACT ATTEMPTED TO EXIT THE VEHICLE, HER JACKET WAS STUCK TO THE SEAT. UPON INSPECTION, THE CONTACT NOTICED A HOLE IN THE SEAT AND JACKET. THE CONTACT SUSTAINED MINOR BURN INJURIES. IT WAS UNKNOWN IF MEDICAL ATTENTION WAS REQUIRED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 148,000.
GOT IN MY CAR AND TURNED ON MY SEAT WARMERS AND PROCEEDED TO DRIVE. AFTER DRIVING FOR 5 MINUTES I NOTICED A SMELL, THOUGH IT WAS THE FUMES FROM THE CAR IN FRONT OF ME. I KEPT DRIVING AND THEN I FELT SOME DISCOMFORT ON MY LOWER LEFT UPPER HIP AREA. FELT LIKE SOMETHING WAS BITING ME. BY THIS TIME I WAS A MAJOR HIGHWAY AND KEPT FEELING DISCOMFORT....GOT TO MY DESTINATION AND PROCEEDED TO GET OUT OF THE CAR AND MY COAT WAS STUCK TO THE SEAT. I TURNED AROUND AND TO LOOK AT THE SEAT AND THERE WAS A HOLE IN THE SEAT AND MY COAT. THE DISCOMFORT I FELT WAS THE BURNING FROM THE SEAT. *TR
TL* THE CONTACT OWNS A 2007 MERCEDES-BENZ R350. WHILE OPERATING THE VEHICLE, A BURNING ODOR WAS PRESENT INSIDE THE VEHICLE. THE DRIVER LATER NOTICED THAT THE DRIVER SIDE LUMBAR AREA OF THE FRONT DRIVER SEAT BECAME EXTREMELY HOT AND BURNED THROUGH THE LEATHER SEAT AND THE CLOTHING WORN BY THE DRIVER. THERE WERE NO INJURIES. THE CAUSE OF THE FAILURE WAS NOT DIAGNOSED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 104,000.
TL* THE CONTACT OWNS A 2007 MERCEDES-BENZ R350. WHILE DRIVING APPROXIMATELY 20 MPH, THE INSIDE OF THE VEHICLE FILLED WITH SMOKE. THE CONTACT NOTICED THAT THE DRIVER'S SEAT CAUGHT FIRE. THE CONTACT STATED THAT THE SEAT WARMER WAS ACTIVATED AND, ONCE THE SEAT WARMER WAS DEACTIVATED, THE FIRE EXTINGUISHED INDEPENDENTLY. THERE WERE NO INJURIES. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 90,000.
I NOTICED I WAS GETTING BURNED ON MY UPPER HIP WHEN THE SEAT HEATER WAS ON. THOUGHT IT WAS THE METAL TRIM ON MY JEANS GETTING TOO HOT BUT DISCOVERED THE SEAT HEATER HAD BURNED A HOLE THROUGH THE SEAT AND SMELLED LIKE A FIRE. I TURNED IT OFF AND NOW DO NOT USE THE SEAT HEATERS. IT GOT HOT IN A FEW MINUTES AFTER STARTING.
I TOOK MY CAR TO THE MERCEDES-BENZ DEALER IN WILSONVILLE OREGON, THE SERVICE MANAGER TOLD ME THAT THE R320 CDI IS THE WORST CAR MERCEDES-BENZ EVER BUILT, AND THEY KEPT CHARGING FOR REPAIRS EACH TIME WITH A NEW PROBLEM. I WAS ALSO TOLD THE BRAKE LAMP IN THE REAR NEEDS A SOFTWARE UPDATE OTHER WISE MY LIGHTS WILL NOT FUNCTION PROPERLY. DO YOU THINK IT IS A SAFETY ISSUE, IF MY TAIL LAMP AND MY BRAKE LAMP WILL NOT WORK UNTIL I UPDATE THE SOFTWARE FOR 150 DOLLARS?
WHILE DRIVING THE ESP/ABS LIGHT BEGAN FLASHING AND A THE CAR MADE A BEEPING SOUND. THE WARNING LIGHT CAME ON AND A MESSAGE STATING "DRIVE DIRECTLY TO THE WORKSHOP WITHOUT SWITCHING GEARS," POPPED UP. I STOPPED THE CAR AND STARTED IT AGAIN AND THERE WAS NO LIGHT FOR ABOUT 2 MINUTES OF DRIVING, THEN THE LIGHTS BEGAN AGAIN ABS/ESP AND FLASHING INOPERATIVE LIGHT. I DROVE THE CAR HOME AS IT WAS SCHEDULED FOR AN APPOINTMENT THE FOLLOWING MORNING. THE NEXT MORNING I TRIED STARTING THE CAR AND IT WOULD NOT START AND STARTED BEEPING INCESSANTLY. THE CAR WAS INOPERATIVE AND WOULD NOT START OR CRANK. I HAD TO CALL MERCEDES BENZ ROADSIDE ASSISTANCE TO TRANSPORT THE VEHICLE TO THE DEALERSHIP. IT WAS FOUNDED BY THE DEALERSHIP THAT THERE WAS A WIRING SENSOR PROBLEM CAUSING INACCURATE SIGNALS TO BE SENT TO THE ENGINE.
MERCEDES R350 4MATIC YEAR 2007, CURRENT 80000 MILES. 1/ FIRST ISSUE AROUND 20000 MILES, AC IS NOT WORKING WHEN USED FOR LONG HOURS OF DRIVING. NEED TO STOP THE VEHICLE AND TURN OFF ENG AND RESTART ENG THEN TURN AC BACK ON TO MAKE IT WORK AGAIN. HAPPEND TILL NOW 80000 MILES. NOISE COME FROM ALL 4 DOORS DUE TO THE GAP SEAL OF THE ALL DOOR VIBRATION WHILE DRIVING. 2/ AROUND 40000 MILES, POWER SW WINDOW ON DRIVER SIDE COME OFF AT ALL 4 BUTTONS JUST LIKE A PCS KNOCK OFF OF TOY. 3/ AUTO POWER TRUNK IS NOT WORKING, BELT TENSSION PULLEY BROKE AT 50000 MILES. 4/ FRONT BRAKEPAD REPLACE EVERY 30000 MILES + FRONT ROTOR REPLACE AT 60000 MILES, REARPAD AT 40000 MILES. 5/ 70000 MILES REAR LEFT AIR SHOCK LEAK + 78000 MILES REAR RIGHT AIR SHOCK LEAK + POWER STERRING LEAK DUE TO SEAL RING BROKE + 77000 MILES OIL CAM PLUG BROKE THEN OIL LEAKING. 6/ 78000 MILES A BIG PROBLEM COME UP: TRANSMISSION IS NOT SHIFTING ANYMORE AND STUCK AT LOW GEAR (VALVE BODY SERVICE TIME) IF YOU DONT WANT TO REPLACE A WHOLE NEW 7 GEARS TRANSMISSION. 7/ 78000 MILES INTAKE MANIFOLD FLAP ARM BROKEN THEN ENG LIGHT POP UP. THIS IS A NOT RELIABLE VEHICLE TO DRIVE AND WORTHLESS OF $55000. PLEASE DO SOME RESEARCH BEFORE BUY THIS TYPE OF VEHICLE. SO MANY REPEATS PROBLEM FROM CAR OWNER.....
67 total